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Finding the Fourth Proportional to 103,574.70, 155,365.29 and 33,454.62

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Solution

The fourth proportional to 103,574.70, 155,365.29 and 33,454.62 is: 50,182.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,574.70 : 155,365.29 = 33,454.62 : x
  2. Step 2: Convert to fraction form
    103,574.70/155,365.29 = 33,454.62/x
  3. Step 3: Cross multiply
    103,574.70x = 155,365.29 × 33,454.62
  4. Step 4: Simplify right side
    103,574.70x = 5,197,686,738.14
  5. Step 5: Solve for x
    x = 5,197,686,738.14/103,574.70
  6. Step 6: Final answer
    x = 50,182.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.